Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
-e^{25/2}e^{-25/(2\sqrt5)}\sqrt{2\pi/(25\sqrt5)}2/(1-\sqrt{1/5})((\sqrt5+1)/(\sqrt5-1))^5
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random